570  
CDUS41 KBOX 200617  
CLIORH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
107 AM EST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE WORCESTER MA CLIMATE SUMMARY FOR DECEMBER 19 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 326 PM 59 1899 35 1 45  
MINIMUM 16 636 AM -4 1919 21 -5 32  
AVERAGE 26 28 -2 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.03 1986 0.11 -0.11 T  
MONTH TO DATE 1.59 2.44 -0.85 1.81  
SINCE DEC 1 1.59 2.44 -0.85 1.81  
SINCE JAN 1 59.67 46.69 12.98 44.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.6 2008 0.5 -0.5 0.0  
MONTH TO DATE T 7.9 -7.9 7.7  
SINCE DEC 1 T 7.9 -7.9 7.7  
SINCE JUL 1 9.2 10.7 -1.5 7.7  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 37 2 26  
MONTH TO DATE 682 638 44 663  
SINCE DEC 1 682 638 44 663  
SINCE JUL 1 2183 2040 143 1799  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 689 471 218 533    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 300 AM  
LOWEST 38 200 PM  
AVERAGE 56  
   
......................................................
 
 
 
THE WORCESTER MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 59 1957  
MINIMUM TEMPERATURE (F) 21 -15 1942  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 712 AM EST SUNSET 418 PM EST  
DECEMBER 21 2018......SUNRISE 713 AM EST SUNSET 418 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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